One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,6)(3,8,4,7)(10,11)(12,16)(17,18,22,21)(19,24,20,23)(26,29)(27,32)(2,6)(7,8)(9,10,13,11)(12,15,16,14)(17,19,22,20)(18,23,21,24)(25,26,28,29)(27,31,32,30)(1,3,5,4)(2,7,6,8)(9,10,13,11)(12,14,16,15)(17,19,22,20)(18,24,21,23)(25,27)(26,30)(28,32)(29,31)(1,4,5,3)(2,7,6,8)(9,11,13,10)(12,14,16,15)(17,20,22,19)(18,24,21,23)(25,27)(26,31)(28,32)(29,30)(1,2)(3,7)(4,8)(5,6)(9,12)(10,14)(11,15)(13,16)(17,21,22,18)(19,23,20,24)(25,26)(27,30)(28,29)(31,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.